百姓彩票值得信赖的品牌

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                產品列表
                • 石油鉆具接頭螺紋量規
                  M6*1.00~M26*1.50 
                • 抽油桿螺紋塞規
                  CYG13 CYG16 CYG19 CYG22 CYG25 CYG29 
                • 石油油管套管螺紋量規
                  TBG 1.050 ,TBG 1.315, TBG1.900 ,TBG2 3/8 
                • 抽油桿螺紋環規
                  CYG13 CYG16 CYG19 CYG22 CYG25 CYG29 

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